-/* $Id: tbl_term.c,v 1.12 2011/01/07 13:20:58 kristaps Exp $ */
+/* $Id: tbl_term.c,v 1.26 2014/03/28 23:26:25 schwarze Exp $ */
/*
- * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#include "out.h"
#include "term.h"
-/* FIXME: `n' modifier doesn't always do the right thing. */
-/* FIXME: `n' modifier doesn't use the cell-spacing buffer. */
-
static size_t term_tbl_len(size_t, void *);
static size_t term_tbl_strlen(const char *, void *);
static void tbl_char(struct termp *, char, size_t);
-static void tbl_data(struct termp *, const struct tbl *,
+static void tbl_data(struct termp *, const struct tbl_opts *,
const struct tbl_dat *,
const struct roffcol *);
-static void tbl_hframe(struct termp *, const struct tbl_span *);
+static size_t tbl_rulewidth(struct termp *, const struct tbl_head *);
+static void tbl_hframe(struct termp *, const struct tbl_span *, int);
static void tbl_literal(struct termp *, const struct tbl_dat *,
const struct roffcol *);
-static void tbl_number(struct termp *, const struct tbl *,
+static void tbl_number(struct termp *, const struct tbl_opts *,
const struct tbl_dat *,
const struct roffcol *);
static void tbl_hrule(struct termp *, const struct tbl_span *);
-static void tbl_vframe(struct termp *, const struct tbl *);
static void tbl_vrule(struct termp *, const struct tbl_head *);
const struct tbl_head *hp;
const struct tbl_dat *dp;
struct roffcol *col;
+ int spans;
size_t rmargin, maxrmargin;
rmargin = tp->rmargin;
/* Horizontal frame at the start of boxed tables. */
- if (TBL_SPAN_FIRST & sp->flags)
- tbl_hframe(tp, sp);
+ if (TBL_SPAN_FIRST & sp->flags) {
+ if (TBL_OPT_DBOX & sp->opts->opts)
+ tbl_hframe(tp, sp, 1);
+ if (TBL_OPT_DBOX & sp->opts->opts ||
+ TBL_OPT_BOX & sp->opts->opts)
+ tbl_hframe(tp, sp, 0);
+ }
/* Vertical frame at the start of each row. */
- tbl_vframe(tp, sp->tbl);
+ if ((TBL_OPT_BOX | TBL_OPT_DBOX) & sp->opts->opts ||
+ sp->head->vert)
+ term_word(tp, TBL_SPAN_HORIZ == sp->pos ||
+ TBL_SPAN_DHORIZ == sp->pos ? "+" : "|");
/*
* Now print the actual data itself depending on the span type.
case (TBL_SPAN_DATA):
/* Iterate over template headers. */
dp = sp->first;
+ spans = 0;
for (hp = sp->head; hp; hp = hp->next) {
- switch (hp->pos) {
- case (TBL_HEAD_VERT):
- /* FALLTHROUGH */
- case (TBL_HEAD_DVERT):
- tbl_vrule(tp, hp);
+
+ /*
+ * If the current data header is invoked during
+ * a spanner ("spans" > 0), don't emit anything
+ * at all.
+ */
+
+ if (--spans >= 0)
continue;
- case (TBL_HEAD_DATA):
- break;
- }
+
+ /* Separate columns. */
+
+ if (NULL != hp->prev)
+ tbl_vrule(tp, hp);
col = &tp->tbl.cols[hp->ident];
- tbl_data(tp, sp->tbl, dp, col);
+ tbl_data(tp, sp->opts, dp, col);
+
+ /*
+ * Go to the next data cell and assign the
+ * number of subsequent spans, if applicable.
+ */
- /* Go to the next data cell. */
- if (dp)
+ if (dp) {
+ spans = dp->spans;
dp = dp->next;
+ }
}
break;
}
- tbl_vframe(tp, sp->tbl);
+ /* Vertical frame at the end of each row. */
+
+ if ((TBL_OPT_BOX | TBL_OPT_DBOX) & sp->opts->opts ||
+ sp->layout->vert)
+ term_word(tp, TBL_SPAN_HORIZ == sp->pos ||
+ TBL_SPAN_DHORIZ == sp->pos ? "+" : " |");
term_flushln(tp);
/*
*/
if (TBL_SPAN_LAST & sp->flags) {
- tbl_hframe(tp, sp);
+ if (TBL_OPT_DBOX & sp->opts->opts ||
+ TBL_OPT_BOX & sp->opts->opts) {
+ tbl_hframe(tp, sp, 0);
+ tp->skipvsp = 1;
+ }
+ if (TBL_OPT_DBOX & sp->opts->opts) {
+ tbl_hframe(tp, sp, 1);
+ tp->skipvsp = 2;
+ }
assert(tp->tbl.cols);
free(tp->tbl.cols);
tp->tbl.cols = NULL;
}
+/*
+ * Horizontal rules extend across the entire table.
+ * Calculate the width by iterating over columns.
+ */
+static size_t
+tbl_rulewidth(struct termp *tp, const struct tbl_head *hp)
+{
+ size_t width;
+
+ width = tp->tbl.cols[hp->ident].width;
+
+ /* Account for leading blanks. */
+ if (hp->prev)
+ width += 2 - hp->vert;
+
+ /* Account for trailing blank. */
+ width++;
+
+ return(width);
+}
+
+/*
+ * Rules inside the table can be single or double
+ * and have crossings with vertical rules marked with pluses.
+ */
static void
tbl_hrule(struct termp *tp, const struct tbl_span *sp)
{
const struct tbl_head *hp;
char c;
- size_t width;
-
- /*
- * An hrule extends across the entire table and is demarked by a
- * standalone `_' or whatnot in lieu of a table row. Spanning
- * headers are marked by a `+', as are table boundaries.
- */
c = '-';
if (TBL_SPAN_DHORIZ == sp->pos)
c = '=';
- /* FIXME: don't use `+' between data and a spanner! */
-
for (hp = sp->head; hp; hp = hp->next) {
- width = tp->tbl.cols[hp->ident].width;
- switch (hp->pos) {
- case (TBL_HEAD_DATA):
- tbl_char(tp, c, width);
- break;
- case (TBL_HEAD_DVERT):
- tbl_char(tp, '+', width);
- /* FALLTHROUGH */
- case (TBL_HEAD_VERT):
- tbl_char(tp, '+', width);
- break;
- default:
- abort();
- /* NOTREACHED */
- }
+ if (hp->prev && hp->vert)
+ tbl_char(tp, '+', hp->vert);
+ tbl_char(tp, c, tbl_rulewidth(tp, hp));
}
}
+/*
+ * Rules above and below the table are always single
+ * and have an additional plus at the beginning and end.
+ * For double frames, this function is called twice,
+ * and the outer one does not have crossings.
+ */
static void
-tbl_hframe(struct termp *tp, const struct tbl_span *sp)
+tbl_hframe(struct termp *tp, const struct tbl_span *sp, int outer)
{
const struct tbl_head *hp;
- size_t width;
-
- if ( ! (TBL_OPT_BOX & sp->tbl->opts ||
- TBL_OPT_DBOX & sp->tbl->opts))
- return;
-
- /*
- * Print out the horizontal part of a frame or double frame. A
- * double frame has an unbroken `-' outer line the width of the
- * table, bordered by `+'. The frame (or inner frame, in the
- * case of the double frame) is a `-' bordered by `+' and broken
- * by `+' whenever a span is encountered.
- */
-
- if (TBL_OPT_DBOX & sp->tbl->opts) {
- term_word(tp, "+");
- for (hp = sp->head; hp; hp = hp->next) {
- width = tp->tbl.cols[hp->ident].width;
- tbl_char(tp, '-', width);
- }
- term_word(tp, "+");
- term_flushln(tp);
- }
term_word(tp, "+");
for (hp = sp->head; hp; hp = hp->next) {
- width = tp->tbl.cols[hp->ident].width;
- switch (hp->pos) {
- case (TBL_HEAD_DATA):
- tbl_char(tp, '-', width);
- break;
- default:
- tbl_char(tp, '+', width);
- break;
- }
+ if (hp->prev && hp->vert)
+ tbl_char(tp, (outer ? '-' : '+'), hp->vert);
+ tbl_char(tp, '-', tbl_rulewidth(tp, hp));
}
term_word(tp, "+");
term_flushln(tp);
}
static void
-tbl_data(struct termp *tp, const struct tbl *tbl,
+tbl_data(struct termp *tp, const struct tbl_opts *opts,
const struct tbl_dat *dp,
const struct roffcol *col)
{
- enum tbl_cellt pos;
if (NULL == dp) {
tbl_char(tp, ASCII_NBRSP, col->width);
return;
}
+ assert(dp->layout);
switch (dp->pos) {
case (TBL_DATA_NONE):
break;
}
- pos = dp->layout ? dp->layout->pos : TBL_CELL_LEFT;
-
- switch (pos) {
+ switch (dp->layout->pos) {
case (TBL_CELL_HORIZ):
tbl_char(tp, '-', col->width);
break;
tbl_literal(tp, dp, col);
break;
case (TBL_CELL_NUMBER):
- tbl_number(tp, tbl, dp, col);
+ tbl_number(tp, opts, dp, col);
+ break;
+ case (TBL_CELL_DOWN):
+ tbl_char(tp, ASCII_NBRSP, col->width);
break;
default:
abort();
tbl_vrule(struct termp *tp, const struct tbl_head *hp)
{
- switch (hp->pos) {
- case (TBL_HEAD_VERT):
- term_word(tp, "|");
- break;
- case (TBL_HEAD_DVERT):
- term_word(tp, "||");
- break;
- default:
- break;
- }
-}
-
-static void
-tbl_vframe(struct termp *tp, const struct tbl *tbl)
-{
-
- if (TBL_OPT_BOX & tbl->opts || TBL_OPT_DBOX & tbl->opts)
- term_word(tp, "|");
+ tbl_char(tp, ASCII_NBRSP, 1);
+ if (0 < hp->vert)
+ tbl_char(tp, '|', hp->vert);
+ if (2 > hp->vert)
+ tbl_char(tp, ASCII_NBRSP, 2 - hp->vert);
}
static void
tbl_literal(struct termp *tp, const struct tbl_dat *dp,
const struct roffcol *col)
{
- size_t padl, padr, ssz;
- enum tbl_cellt pos;
+ struct tbl_head *hp;
+ size_t width, len, padl, padr;
+ int spans;
+
+ assert(dp->string);
+ len = term_strlen(tp, dp->string);
- padl = padr = 0;
+ hp = dp->layout->head->next;
+ width = col->width;
+ for (spans = dp->spans; spans--; hp = hp->next)
+ width += tp->tbl.cols[hp->ident].width + 3;
- pos = dp->layout ? dp->layout->pos : TBL_CELL_LEFT;
- ssz = term_len(tp, 1);
+ padr = width > len ? width - len : 0;
+ padl = 0;
- switch (pos) {
+ switch (dp->layout->pos) {
case (TBL_CELL_LONG):
- padl = ssz;
- padr = col->width - term_strlen(tp, dp->string) - ssz;
+ padl = term_len(tp, 1);
+ padr = padr > padl ? padr - padl : 0;
break;
case (TBL_CELL_CENTRE):
- padl = col->width - term_strlen(tp, dp->string);
- if (padl % 2)
- padr++;
- padl /= 2;
- padr += padl;
+ if (2 > padr)
+ break;
+ padl = padr / 2;
+ padr -= padl;
break;
case (TBL_CELL_RIGHT):
- padl = col->width - term_strlen(tp, dp->string);
+ padl = padr;
+ padr = 0;
break;
default:
- padr = col->width - term_strlen(tp, dp->string);
break;
}
}
static void
-tbl_number(struct termp *tp, const struct tbl *tbl,
+tbl_number(struct termp *tp, const struct tbl_opts *opts,
const struct tbl_dat *dp,
const struct roffcol *col)
{
char *cp;
char buf[2];
- const char *str;
size_t sz, psz, ssz, d, padl;
int i;
* and the maximum decimal; right-pad by the remaining amount.
*/
- str = "";
- if (dp->string)
- str = dp->string;
+ assert(dp->string);
- sz = term_strlen(tp, str);
+ sz = term_strlen(tp, dp->string);
- buf[0] = tbl->decimal;
+ buf[0] = opts->decimal;
buf[1] = '\0';
psz = term_strlen(tp, buf);
- if (NULL != (cp = strchr(str, tbl->decimal))) {
+ if (NULL != (cp = strrchr(dp->string, opts->decimal))) {
buf[1] = '\0';
- for (ssz = 0, i = 0; cp != &str[i]; i++) {
- buf[0] = str[i];
+ for (ssz = 0, i = 0; cp != &dp->string[i]; i++) {
+ buf[0] = dp->string[i];
ssz += term_strlen(tp, buf);
}
d = ssz + psz;
} else
d = sz + psz;
- sz += term_len(tp, 2);
- d += term_len(tp, 1);
-
padl = col->decimal - d;
tbl_char(tp, ASCII_NBRSP, padl);
term_word(tp, dp->string);
- tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);
+ if (col->width > sz + padl)
+ tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);
}
git.ckatri.com / mandoc.git / blobdiff